﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication4
{
    class CRectangle
    {
        int width;
        int height;
        public CRectangle(int a, int b)
        {
            width = a;
            height=b;
        }
        public int area()
        {
            return (width * height);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            CRectangle recta = new CRectangle(3, 4);
            CRectangle rectb = new CRectangle(5, 6);
            recta = rectb;
            Console.WriteLine("recta:{0}", recta.area());
            Console.WriteLine("rectb:{0}", rectb.area());

        }
    }
}
